Granted Patent
Utility
US 4,210,164 · App. 05/880,626
Self-holding hair rollers
Inventor:
Abraham Sidelman
Patented Case
View Patent ↗
Granted: Jul 1, 1980
Filed: Feb 23, 1978
Inventor
Abraham Sidelman
Assignee (at issue)
H. Goodman & Sons Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.